Minor earthquake, 3.31 mag was detected near Ponce in Puerto Rico

A minor earthquake magnitude 3.31 (ml/mb) has struck on Thursday, 5 kilometers (3 miles) from Ponce in Puerto Rico. Date and time of earthquake in UTC/GMT: 30/04/20 / 2020-04-30 15:56:48 / April 30, 2020 @ 3:56 pm. The temblor was picked up at 11:56:48 / 11:56 am (local time epicenter). Exact location, longitude -66.6118° West, latitude 17.958° North, depth = 6 km. Unique identifier: pr2020121015. Ids that are associated to the event: pr2020121015. The epicenter of the earthquake was roughly 6 km (4 miles) below the earth’s surface.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 78 km (48 miles) from San Juan (c. 418 100 pop), 69 km (43 miles) from Bayamón (c. 203 500 pop), 6 km (4 miles) from Ponce (c. 152 600 pop), 67 km (42 miles) from Caguas (c. 86 800 pop), 69 km (43 miles) from Guaynabo (c. 81 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Rincón, Juncos, Yabucoa (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days fourty-four, in the past 30 days one hundred and ninety-six and in the last 365 days one thousand, eight hundred and eighty-three earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km S of Ponce, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.31 mb	The magnitude for the event.
Longitude	-66.6118° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.958° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6 km	Depth of the event in kilometers.
Place	5km S of Ponce, Puerto Rico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-04-30 15:56:48	Time when the event occurred. UTC/GMT
Updated	2020-04-30 16:26:46	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt	7	The total number of felt reports
CDI	4.6	The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	172	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pr	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pr,	A comma-separated list of network contributors.
Number of Stations Used	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.085	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.19 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	183	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pr2020121015	Id of event.
Event Code	2020121015	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2020121015,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.31 mag was detected near Ponce in Puerto Rico

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